#include <stdio.h>


int main()
{
  printf("int的字节数:%d\n",sizeof(int));
  printf("float的字节数:%d\n",sizeof(float));
  printf("double的字节数:%d\n",sizeof(double));
  printf("char的字节数:%d\n",sizeof(char));
  printf("long的字节数:%d\n",sizeof(long));  
  printf("int*的字节数:%d\n",sizeof(int*));

  return 0;
}

